Not Giving Benefits as mentioned.and data is running at 2g

I have 7264999008 Vodafone No. I recharged it with rs448 a week ago bt since then i was unable to call anyone after 1or2 calls.They are saying i exhausted my voice limit and for calling i have ti recharge with rs 10 more to start calling again .i done recharge but instead of my unlimited plan my main balance got deducted .i complaint to there customer care .she said i will provide another no. For complaining but she didnt provide it.